was\were后是否加动词ing

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/07/18 17:40:56

was\were后是否加动词ing
在They are doing some shopping at the moment.（用a moment ago 改写句子）.我无法确定are改成were后,doing是不变,还是变do.请大家集思广益,

a moment ago是刚才的意思
改为they were doing some shopping a moment ago.
变成过去进行时,表示过去某个时刻正在进行的动作或状态：他们刚才正在购物.

was\were后是否加动词ing 一般过去时was were后加ing么? start后的动词是否加ing were后动词是否要用ing:是they were have还是having? 过去式时was/were后加动词过去式吗? was+动词ing还是加动词过去式? please后是否加动词原形,还是加动词ing形式. want后动词加ing? 动词后如何加ing 什么动词后加动词ing形式 Let's 后面动词是否加 ing 过去进行时由“主语+was/were + 动词ing”构成,可动词ing是非谓语动词